Fe-20Cr-16Ni-6Mn反常低温弹性常数行为

Metal science Pub Date : 1984-11-01 DOI:10.1179/030634584790419737

H. Ledbetter, M. Austin

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引用次数: 3

摘要

摘要对高含镍奥氏体不锈钢Fe-20Cr-16Ni-6Mn (wt-%)在295 ~ 4 K范围内的多晶弹性常数进行了超声测定。在54k附近发生可逆磁跃迁。在冷却过程中，体积模量在高得多的温度下开始软化，接近150k。高于转变温度的局部力矩可以解释这种特性。

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Anomalous low temperature elastic-constant behaviour of Fe-20Cr-16Ni-6Mn

AbstractFor the high nickel content austenitic stainless steel Fe-20Cr-16Ni-6Mn (wt-%), the complete set of polycrystalline elastic constants between 295 and 4 K were determined ultrasonically. A reversible magnetic transition occurs near 54 K. During cooling, the bulk modulus begins to soften at a much higher temperature, near 150 K. Local moments above the transition temperature may explain this peculiarity.

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Metal science

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